Question

Pick up the correct match.
I. Core of the earth A. Archaeozoic era
II. Life originated B. Fe-Ni
III. Stromatolites C. Photosynthesizing algae

• A. I- B, II- A, III- C
• B. I- A, II- B, III- C
• C. I- C, II- B, III- A
• D. I- C, II- A, III- B

Answer 1

The correct option is A I- B, II- A, III- C

• Iron and nickel are the most abundant metals in metallic meteorites and in the dense metal cores of planets such as Earth.
• Archaeozoic era also known as the Precambrian era started 4500 - 550 million years ago and life is originated in this era.
• Stromatolites is a solid structure created by single-celled microbes called as Cyanobacteria (blue-green algae) which are photosynthetic algae.

Therefore, the correct answer is option A.